55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
'use strict';
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// Create an instance
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var wavesurfer;
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// Init & load audio file
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document.addEventListener('DOMContentLoaded', function () {
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// Init
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wavesurfer = WaveSurfer.create({
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container: document.querySelector('#waveform'),
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waveColor: '#A8DBA8',
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progressColor: '#3B8686',
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backend: 'MediaElement',
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plugins: [
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WaveSurfer.regions.create({
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regions: [
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{
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start: 0,
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end: 5,
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color: 'hsla(400, 100%, 30%, 0.1)'
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}, {
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start: 10,
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end: 100,
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color: 'hsla(200, 50%, 70%, 0.1)'
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}
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]
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}),
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WaveSurfer.timeline.create({
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container: '#timeline'
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})
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]
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});
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// Load audio from URL
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wavesurfer.load('../media/demo.wav');
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// Zoom slider
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var slider = document.querySelector('[data-action="zoom"]');
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slider.value = wavesurfer.params.minPxPerSec;
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slider.min = wavesurfer.params.minPxPerSec;
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slider.addEventListener('input', function () {
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wavesurfer.zoom(Number(this.value));
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});
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// Play button
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var button = document.querySelector('[data-action="play"]');
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button.addEventListener('click', wavesurfer.playPause.bind(wavesurfer));
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});
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